Friv"o*lous (?), a. [L. frivolus; prob. akin to friare to rub, crumble, E. friable: cf. F. frivole.]
1.
Of little weight or importance; not worth notice; slight; as, a frivolous argument.
Swift.
2.
Given to trifling; marked with unbecoming levity; silly; interested especially in trifling matters.
His personal tastes were low and frivolous.
Macaulay.
Syn. -- Trifling; trivial; slight; petty; worthless.
-- Friv"o*lous*ly, adv. -- Friv"o*lous*ness, n.
© Webster 1913.